let me guessno regear in the diffs to compensate for increased tire size and mass thus flogging the tranny and enginealso no increased fluid change schedule for said tranny and diffsalso im willing to bet theres not been any corrective and custom driveshaft work to correct for the nowdifferent driveline angles modifying a vehicle can be done and done well problem is most people dont understand the full implications of what theyre getting into